Retail and Pro Orders
Paradex classifies each order as either a Retail Order or a Pro Order.
This classification is based on how the order is submitted, not on a permanent user profile. It determines speed bumps, rate limits, fee eligibility, queue priority, and access to Retail Price Improvement liquidity.
Overview
Retail Orders
Retail Orders are protected orders for UI traders and interactive API users. They are subject to speed bumps and lower rate limits. In return, they qualify for Retail fees, queue priority, and access to RPI liquidity.
Submitting Retail Orders Through the API
An order is classified as a Retail Order when it is submitted through the Paradex web interface or through the API using an interactive JWT token.
To submit a Retail Order through the API, request a JWT token using the token_usage=interactive query parameter:
Orders submitted with an interactive token are classified as Retail Orders. Orders submitted without an interactive token are classified as Pro Orders by default.
See the Get JWT endpoint for details.
Retail Rate Limits
Retail Orders are subject to Retail rate limits.
If an account exceeds Retail rate limits, the account automatically switches to Pro Order behavior and loses access to RPI liquidity.
Relationship to Retail Price Improvement
Retail Price Improvement is available only to Retail Orders. RPI orders are posted by liquidity providers and are only eligible to match with Retail Orders. They are not accessible to Pro Orders or standard API flow.
This allows liquidity providers to quote more competitively for Retail Orders because Retail Orders are speed bumped, rate limited, and separated from latency sensitive API flow.
Pro Orders
Pro Orders are standard API orders designed for latency sensitive, programmatic, and high throughput trading. They use higher API rate limits and bypass the 300ms Retail speed bumps. In exchange, Pro Orders use the Pro fee schedule and do not receive Retail specific benefits, including Retail fees, queue priority, and RPI liquidity.
By default, API orders are classified as Pro Orders.
FastFills Discount for Pro Orders
FastFills is designed to incentivize Pro Orders to take passive Retail Order liquidity. When a Pro Order matches with a passive Retail Order, the Pro trader receives a FastFills fee discount. This improves fill speed for Retail Orders while giving API traders a lower execution cost when interacting with passive Retail liquidity.
Qualifying fills are identified with the fastfill flag in fill responses.